diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ebf2ea89..610e76935 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,7 @@ Change Log
 
 ### Improvements
 
-- [dev] Update Yams from 4.0.1 to 4.0.2.
+- [dev] Update Yams from 4.0.1 to 4.0.3.
 
 
 
diff --git a/CotEditor.xcworkspace/xcshareddata/swiftpm/Package.resolved b/CotEditor.xcworkspace/xcshareddata/swiftpm/Package.resolved
index becab04d3..7284bcaa7 100644
--- a/CotEditor.xcworkspace/xcshareddata/swiftpm/Package.resolved
+++ b/CotEditor.xcworkspace/xcshareddata/swiftpm/Package.resolved
@@ -15,8 +15,8 @@
         "repositoryURL": "https://github.com/jpsim/Yams",
         "state": {
           "branch": null,
-          "revision": "51ef46468fda5a0fa1a201b8843791d0149d3c01",
-          "version": "4.0.2"
+          "revision": "1bce5b89a11912fb8a8c48bd404bd24979472f27",
+          "version": "4.0.3"
         }
       }
     ]